Leeteuk and f(x)’s Krystal have performed a duet, a sweet new song for the “Enjoy Today” ballad project.
The song titled “Grumbling“ delivers soothing voices and the sweet melody.
This song is must-hear for especially Leeteuk fans since he is showing his skillful singing talent.
Credit : bhuentertainment @ youtube
Picture reupload ★яєιℓα @ SJ-World.net